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Erschienen in:
2016 | OriginalPaper | Buchkapitel
Identification of Seasonal Rainfall Peaks at Kelantan Using Fourier Series
verfasst von : Noridayu Mah Hashim, Sayang Mohd Deni, S. Sarifah Radiah Shariff, Wardah Tahir, Janmaizatul Jani
Erschienen in: ISFRAM 2015
Verlag: Springer Singapore
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Abstract
This study aimed to identify the wet period, peaks of mean rainfall amount per rainy day at Kelantan River basin. Daily rainfall data from 12 selected rainfall stations for the period of 1975–2014 which comprises of three main areas such as inland, river, and coastal are analyzed. The estimated wet period, date, and value at peak of mean rainfall amount per rainy day will be identified using Fourier series and compared with the actual flood events in 2013/2014 and 2014/2015. The findings indicate that duration of wet periods obtained from the results of best fitting justifies the flood event occurred most recently. Moreover, the coastal area of Kelantan also shows the highest probability of rainfall amounts exceeding 60 mm.